Construction is an important industry worldwide. So that, this industry generally defined as a sector of the economy. The Industry is playing an important role in economic growth of every country, but it faces many challenges currently that lead to affect project goal and steady growth of the economy.

The construction industry has three major sectors. Such as buildings, infrastructure and industrial. And each sector contains so many sub-sectors. Many construction companies have changed their business models, from being one large entity managing  all areas of the supply chain, to working with smaller external specialist companies to deliver a subset of these services.  

One of the most major sub-sectors in upstream side is bauilding materials. Such as rebars, girders, glass, cement, bricks, PVC materials, tiles, pipes and fittings and etc., Kousha group has some subsidiary companies supplying all kind of building materials. From manufacturing to transporting and engineering services are served by Kousha members.